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Cushion|Natural|GIA

1.55ct J SI2 Cushion Natural Diamond

EX • J/SI2 • GIA 2175338913

Certificate GIA 2175338913

Diamond specifications and retailer prices

From $3,026 SGD
A$3,642 AUD
As of November 1, 2026
Save $1,319 SGD (30%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $4,345 SGD at 77 Diamonds · As of November 2, 2026
View at 77 Diamonds

About this 1.55ct natural cushion diamond

This 1.55ct natural cushion sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2175338913. Listed at 2 retailers as of November 1, 2026, with prices from $3,026 to $4,345, a $1,319 spread on the same certified stone. 77 Diamonds lists it at $4,345. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.55
Carat
J
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2175338913
Dimensions6.70 × 6.39 × 4.21 mm
L/W Ratio1.05
Top View
6.70 mm6.39 mm1.55 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2175338913
Side View
Table 60.0%CrownGirdlePavilionCuletDepth 65.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $4,345 SGD|Low: $3,026 SGD|High: $4,345 SGD|Avg: $3,613 SGD|+0.0%
77 Diamonds
Retailer 2
November 2, 2026
Retailer 2$3,026 SGD
77 Diamonds$4,345 SGD

5 data points across 2 retailers

2 retailers$3,026 SGD to $4,345 SGD

B+
Cheapest Retailer
-
$3,026 SGD
A$3,642 AUD
Most Expensive
B+
77 Diamonds
CUSMBHXH63QKU · Nov 2
$4,345 SGD
£2,676 GBP
View
1 more retailer has this diamond
Prices start from $3,026 SGDSave up to $1,319 SGD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B+
1.55ct Cushion
$3,026 SGD